Home / 109,356.57-149,927.85-107,363.67

Finding the Fourth Proportional to 109,356.57, 149,927.85 and 107,363.67

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Solution

The fourth proportional to 109,356.57, 149,927.85 and 107,363.67 is: 147,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.57 : 149,927.85 = 107,363.67 : x
  2. Step 2: Convert to fraction form
    109,356.57/149,927.85 = 107,363.67/x
  3. Step 3: Cross multiply
    109,356.57x = 149,927.85 × 107,363.67
  4. Step 4: Simplify right side
    109,356.57x = 16,096,804,211.21
  5. Step 5: Solve for x
    x = 16,096,804,211.21/109,356.57
  6. Step 6: Final answer
    x = 147,195.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.